SEO / Website Tools
Improve your website's visibility and technical health with our suite of free SEO tools. Audit redirects, check meta tags, validate sitemaps, and analyze performance signals instantly.
★ Most Popular Tools
All available tools
Redirect Checker
Check full redirect chains (301/302), detect loops, and see the final destination URL.
HTTP Headers Viewer
Inspect server response headers, status codes, caching, and security configuration.
Robots.txt Tester
Validate your robots.txt file, check for syntax errors, and see allowed/disallowed rules.
Sitemap Validator
Parse XML sitemaps, count URLs, and identify format errors or issues.
Meta Tags Checker
Analyze title, description, canonical tags, and OpenGraph metadata for any page.
Social Preview Tester
Preview how your content appears on Facebook, Twitter, and LinkedIn.
Broken Link Checker
Scan your page for broken internal and external links (404s/500s). Limited scope for speed.
Page Indexability Checker
Check for noindex tags, x-robots-tags, and canonical issues that block indexing.
Keyword Extractor
Extract main keywords and phrases from any webpage to understand content focus.
Security Headers Checker
Verify essential security headers like HSTS, CSP, and X-Frame-Options.
Looking for AI Optimization Tools?
Optimize your content for ChatGPT, Perplexity, and AI Overviews with our new AIO suite.
View AIO ToolsSEO Tools & AIO Tools — Free Website Audit Toolkit
y4yes provides a comprehensive suite of free website audit tools designed for small business owners, developers, and marketers. From checking technical SEO signals like redirect chains, robots.txt validation, and sitemap health, to advanced AI readiness checks. Our toolkit helps you identify issues that prevent your site from ranking in Google Search and being cited by AI Answer Engines.
Why SEO & AIO Matter in 2026
Traditional SEO ensures search engines can crawl and index your pages effectively. However, with the rise of AI search, Answer Engine Optimization (AIO/AEO) is now critical. Optimizing your content's structure and technical signals ensures that AI assistants can understand, trust, and cite your information in direct answers.
Try the most used tools: Redirect Checker • Robots Tester • Sitemap Validator • AI Citation Readiness